1. CLA - Center for Laser and Applications; Nuclear and Energy Research Institute; IPEN-CNEN/SP Brazil
2. Department of Microbiology; São Leopoldo Mandic School and Dental Institute; Campinas, SP Brazil
3. Department of Orthodontics; São Leopoldo Mandic School and Dental Institute; Campinas, SP Brazil
4. Department of Basic Science and Embryology and Histology; Dental School of Araçatuba - UNESP; Brazil
5. Section of Orthodontics; UCLA School of Dentistry; Los Angeles CA, USA